Using electron configurations, explain why the halogens readily react with the alkali metals to form salts

1 answer:

4 0

Halogen react with alkali metals because of their valence electrons. Halogens are just one electron short of being a stable wanna be "noble gas" so they "take or borrow" an electron. alkali metals have one too many valence electrons to be a noble gas, so they "give or lend" an electron.

this is why they are so compatible.
EXAMPLE

NaCl= Na+ +Cl-

Sodium(Na) "gives" its extra electron in order to become stable and Chlorine(Cl) "takes" Na extra electron in order to become stable

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<h3>Calculating mass </h3>

From the question we are to calculate the mass of NaHCO₃ (sodium bicarbonate) used in the experiment

From the given information

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